fzus51 klwx 122358
cwflwx
expires:202605130800;;461635

coastal waters forecast
national weather service baltimore md/washington dc
758 pm edt tue may 12 2026

tidal potomac river and maryland portion of chesapeake bay.

forecasts of wave heights do not include effects of wind direction
relative to tidal currents. expect higher waves when winds are
blowing against the tidal flow.  waves flat where waters are iced over.


anz531-130800-
chesapeake bay from pooles island to sandy point-
758 pm edt tue may 12 2026

...small craft advisory in effect through wednesday afternoon...

.tonight...s winds 10 to 15 kt with gusts to 20 kt... increasing to
20 kt with gusts to 25 kt late. waves 1 to 2 ft...building to 3 ft
late. 
.wed...s winds 15 to 20 kt with gusts to 25 kt. waves 3 ft. a chance
of showers. 
.wed night...s winds 15 to 20 kt with gusts to 25 kt...becoming w
5 to 10 kt after midnight. waves 2 to 3 ft. showers.
.thu...nw winds 10 to 15 kt with gusts to 20 kt. waves 1 to 2 ft. 
.thu night...nw winds 10 to 15 kt with gusts to 20 kt. waves 2 ft. 
.fri...nw winds 10 to 15 kt with gusts to 20 kt. waves 2 ft. 
.fri night...w winds around 5 kt. waves 1 ft or less. 
.sat...sw winds 5 to 10 kt. waves 1 ft. 
.sun...s winds around 5 kt. waves 1 ft or less.  

$$

fzus51 klwx 122358
cwflwx
expires:202605130800;;461638

coastal waters forecast
national weather service baltimore md/washington dc
758 pm edt tue may 12 2026

tidal potomac river and maryland portion of chesapeake bay.

forecasts of wave heights do not include effects of wind direction
relative to tidal currents. expect higher waves when winds are
blowing against the tidal flow.  waves flat where waters are iced over.


anz532-130800-
chesapeake bay from sandy point to north beach-
758 pm edt tue may 12 2026

...small craft advisory in effect through wednesday afternoon...

.tonight...s winds 10 to 15 kt with gusts to 20 kt... increasing to
20 kt with gusts to 25 kt late. waves 1 to 2 ft...building to 3 ft
after midnight. 
.wed...s winds 15 to 20 kt with gusts to 25 kt. waves 3 ft. a chance
of showers. 
.wed night...s winds 15 to 20 kt with gusts to 25 kt...becoming w
5 to 10 kt after midnight. waves 2 to 3 ft. showers.
.thu...nw winds 10 to 15 kt with gusts to 20 kt. waves 1 to 2 ft. 
.thu night...nw winds 10 to 15 kt with gusts to 20 kt. waves 2 ft. 
.fri...nw winds 10 to 15 kt with gusts to 20 kt. waves 2 ft. 
.fri night...sw winds 5 kt. waves less than 1 ft. 
.sat...sw winds 5 to 10 kt. waves 1 to 2 ft. 
.sun...s winds around 5 kt. waves 1 ft or less.  

$$

fzus51 klwx 122358
cwflwx
expires:202605130800;;461640

coastal waters forecast
national weather service baltimore md/washington dc
758 pm edt tue may 12 2026

tidal potomac river and maryland portion of chesapeake bay.

forecasts of wave heights do not include effects of wind direction
relative to tidal currents. expect higher waves when winds are
blowing against the tidal flow.  waves flat where waters are iced over.


anz533-130800-
chesapeake bay from north beach to drum point-
758 pm edt tue may 12 2026

...small craft advisory in effect through wednesday afternoon...

.tonight...s winds 10 to 15 kt with gusts to 20 kt... increasing to
20 kt with gusts to 25 kt late. waves 1 to 2 ft...building to 3 ft
after midnight. 
.wed...s winds 15 to 20 kt with gusts to 25 kt. waves 3 ft. 
.wed night...s winds 15 to 20 kt with gusts to 25 kt...becoming sw
5 to 10 kt after midnight. waves 2 to 3 ft. showers likely. 
.thu...nw winds 10 to 15 kt with gusts to 20 kt. waves 2 ft. 
.thu night...nw winds 10 to 15 kt with gusts to 20 kt. waves 2 ft. 
.fri...nw winds 15 to 20 kt. waves 2 ft. 
.fri night...sw winds around 5 kt. waves 1 ft or less. 
.sat...sw winds 5 to 10 kt. waves 1 ft. 
.sun...s winds around 5 kt. waves 1 ft or less.  

$$

fzus51 klwx 122358
cwflwx
expires:202605130800;;461643

coastal waters forecast
national weather service baltimore md/washington dc
758 pm edt tue may 12 2026

tidal potomac river and maryland portion of chesapeake bay.

forecasts of wave heights do not include effects of wind direction
relative to tidal currents. expect higher waves when winds are
blowing against the tidal flow.  waves flat where waters are iced over.


anz534-130800-
chesapeake bay from drum point to smith point-
758 pm edt tue may 12 2026

...small craft advisory in effect through wednesday afternoon...

.tonight...s winds 10 to 15 kt with gusts to 20 kt... increasing to
20 kt with gusts to 25 kt late. waves 1 to 2 ft...building to 3 ft
after midnight. 
.wed...s winds 15 to 20 kt...becoming 20 kt late. gusts up to
25 kt...increasing to 30 kt late. waves 3 ft. 
.wed night...s winds 20 to 25 kt with gusts to 30 kt...diminishing
to 10 to 15 kt with gusts to 20 kt after midnight, then becoming w
late. waves 3 ft. showers.
.thu...nw winds 10 to 15 kt with gusts to 20 kt. waves 2 ft. 
.thu night...nw winds 15 to 20 kt. waves 3 ft. 
.fri...nw winds 15 to 20 kt. waves 2 to 3 ft. 
.fri night...sw winds around 5 kt. waves 1 ft. 
.sat...sw winds 5 to 10 kt. waves 1 to 2 ft. 
.sun...sw winds 5 to 10 kt...becoming s. waves 1 ft.  

$$

fzus51 klwx 122358
cwflwx
expires:202605130800;;461631

coastal waters forecast
national weather service baltimore md/washington dc
758 pm edt tue may 12 2026

tidal potomac river and maryland portion of chesapeake bay.

forecasts of wave heights do not include effects of wind direction
relative to tidal currents. expect higher waves when winds are
blowing against the tidal flow.  waves flat where waters are iced over.


anz535-130800-
tidal potomac from key bridge to indian head-
758 pm edt tue may 12 2026

...small craft advisory in effect from 2 am edt wednesday through
wednesday afternoon...

.tonight...s winds 10 to 15 kt. gusts up to 20 kt late this evening
and overnight. waves 1 ft. 
.wed...s winds 10 to 15 kt with gusts to 25 kt. waves 2 ft. a chance
of showers. 
.wed night...sw winds 5 to 10 kt with gusts to 20 kt...becoming nw
late. waves 1 ft. showers.
.thu...nw winds 10 to 15 kt with gusts to 25 kt. waves 1 ft. 
.thu night...nw winds 10 to 15 kt. gusts up to 25 kt in the evening.
waves 1 ft. 
.fri...nw winds 5 to 10 kt with gusts to 20 kt. waves 1 ft. 
.fri night...w winds around 5 kt. waves 1 ft. 
.sat...sw winds 5 to 10 kt. waves 1 ft. 
.sun...sw winds around 5 kt. waves 1 ft or less.  

$$

fzus51 klwx 122358
cwflwx
expires:202605130800;;461632

coastal waters forecast
national weather service baltimore md/washington dc
758 pm edt tue may 12 2026

tidal potomac river and maryland portion of chesapeake bay.

forecasts of wave heights do not include effects of wind direction
relative to tidal currents. expect higher waves when winds are
blowing against the tidal flow.  waves flat where waters are iced over.


anz536-130800-
tidal potomac from indian head to cobb island-
758 pm edt tue may 12 2026

...small craft advisory in effect from 2 am edt wednesday through
wednesday afternoon...

.tonight...s winds 10 to 15 kt. gusts up to 20 kt late this evening
and overnight. waves 1 to 2 ft. 
.wed...sw winds 10 to 15 kt with gusts to 25 kt. waves 2 ft. 
.wed night...sw winds 5 to 10 kt with gusts to 20 kt...becoming nw
late. waves 1 ft. showers.
.thu...nw winds 10 to 15 kt with gusts to 20 kt. waves 1 ft. 
.thu night...nw winds 10 to 15 kt with gusts to 20 kt. waves 1 ft. 
.fri...nw winds 10 to 15 kt with gusts to 20 kt. waves 1 ft. 
.fri night...sw winds around 5 kt. waves 1 ft or less. 
.sat...sw winds 5 to 10 kt. waves 1 ft. 
.sun...s winds around 5 kt. waves 1 ft or less.  

$$

fzus51 klwx 122358
cwflwx
expires:202605130800;;461633

coastal waters forecast
national weather service baltimore md/washington dc
758 pm edt tue may 12 2026

tidal potomac river and maryland portion of chesapeake bay.

forecasts of wave heights do not include effects of wind direction
relative to tidal currents. expect higher waves when winds are
blowing against the tidal flow.  waves flat where waters are iced over.


anz537-130800-
tidal potomac from cobb island to smith point-
758 pm edt tue may 12 2026

...small craft advisory in effect from 2 am edt wednesday through
wednesday afternoon...

.tonight...s winds 10 to 15 kt with gusts to 20 kt. waves 1 to 2 ft.
.wed...s winds 15 to 20 kt with gusts to 25 kt. waves 2 to 3 ft. 
.wed night...s winds 15 to 20 kt with gusts to 25 kt...becoming sw
5 to 10 kt after midnight. waves 2 to 3 ft. showers likely. 
.thu...nw winds 10 to 15 kt with gusts to 20 kt. waves 1 to 2 ft. 
.thu night...nw winds 10 to 15 kt with gusts to 20 kt. waves 2 ft. 
.fri...nw winds 10 to 15 kt with gusts to 20 kt. waves 2 ft. 
.fri night...sw winds around 5 kt. waves 1 ft or less. 
.sat...sw winds 5 to 10 kt. waves 1 ft. 
.sun...s winds around 5 kt. waves 1 ft or less.  

$$